<!DOCTYPE html>
<style>
html {
    display: none;
    background-image: linear-gradient(black, black);
}
</style>
<script src='../../resources/run-after-layout-and-paint.js'></script>
<script>
runAfterLayoutAndPaint(function(){
    document.write("PASS");
    if (window.testRunner)
        testRunner.dumpAsText();
}, true);
</script>
This test should not crash due to referencing a null root element renderer when painting root background.
